<template>
    <view class="app-page bg-gradient-blue-lighten-b" :style="pageStyle">
        <view class="tn-satr">
            <view class="sky"></view>
            <view class="stars">
                <view class="falling-stars">
                    <view class="star-fall"></view>
                    <view class="star-fall"></view>
                    <view class="star-fall"></view>
                    <view class="star-fall"></view>
                </view>
                <view class="small-stars">
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                </view>
                <view class="medium-stars">
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                    <view class="star"></view>
                </view>
            </view>
        </view>

        <view class="user-info__container flex flex-col flex-center">
            <image class="user-info__avatar" :src="$utils.checkImageUrl(startConfig.logo)" mode="aspectFill"></image>
            <view class="user-info__nick-name">「 {{ startConfig.title }} 」</view>
        </view>

        <view class="text-align-center text-white" style="padding: 60vh 0 0 0;">
            <view class="" style="font-size: 44rpx;" v-if="startConfig.desc1">{{ startConfig.desc1 }}</view>
            <view class="mt-30 text-size-m" v-if="startConfig.desc2">{{ startConfig.desc2 }}</view>
        </view>

        <view class="" style="padding: 120rpx 200rpx;z-index: 999;position: relative;">
            <view class="start-btn" @click="fnStart()">{{ startConfig.btnText || '开始体验' }}</view>
        </view>

        <!-- 波浪效果 -->
        <wave></wave>
    </view>
</template>

<script>
import wave from '@/components/wave/wave.vue';

export default {
    components: {
        wave
    },
    computed: {
        startConfig() {
            return this.$tm.vx.getters().getConfigs.appConfig.startConfig;
        },
        pageStyle() {
            if (this.startConfig.bg) {
                const _bg = this.$utils.checkIsUrl(this.startConfig.bg) ? `url(${this.$utils.checkImageUrl(this.startConfig.bg)})` : this
                    .startConfig.bg;
                return {
                    background: _bg + '!important'
                };
            }
            return {};
        }
    },
    methods: {
        fnStart() {
            uni.switchTab({
                url: '/pages/tabbar/home/home',
                success: () => {
                    uni.setStorageSync('APP_HAS_STARTED', true);
                }
            });
        }
    }
};
</script>

<style lang="scss" scoped>
.app-page {
    width: 100vw;
    height: 100vh;
}

.start-btn {
    box-sizing: border-box;
    background-color: transparent;
    padding: 16rpx 50rpx;
    border-radius: 50rpx;
    border: 2rpx solid #ffffff;
    color: #ffffff;
    text-align: center;
    font-size: 28rpx;
}

/* 用户信息 start */
.user-info {
    &__container {
        position: absolute;
        top: 25vh;
        left: 50%;
        -webkit-transform: translate(-50%, -50%);
        transform: translate(-50%, -50%);
    }

    &__avatar {
        width: 200rpx;
        height: 200rpx;
        border: 8rpx solid rgba(255, 255, 255, 0.05);
        border-radius: 50%;
        overflow: hidden;
        box-shadow: 0rpx 0rpx 80rpx 0rpx rgba(0, 0, 0, 0.15);
    }

    &__nick-name {
        color: #ffffff;
        margin-top: 26rpx;
        font-size: 36rpx;
        font-weight: 600;
        text-align: center;
    }
}

/* 用户信息 end */

/* 流星*/
.tn-satr {
    position: fixed;
    width: 100%;
    height: 600px;
    overflow: hidden;
    flex-shrink: 0;
    z-index: 998;
}

.stars {
    position: absolute;
    z-index: 1;
    width: 100%;
    height: 400px;
}

.star {
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0px 0px 6px 0px rgba(255, 255, 255, 0.8);
}

.small-stars .star {
    position: absolute;
    width: 3px;
    height: 3px;
}

.small-stars .star:nth-child(2n) {
    opacity: 0;
    -webkit-animation: star-blink 1.2s linear infinite alternate;
    animation: star-blink 1.2s linear infinite alternate;
}

.small-stars .star:nth-child(1) {
    left: 40px;
    bottom: 50px;
}

.small-stars .star:nth-child(2) {
    left: 200px;
    bottom: 40px;
}

.small-stars .star:nth-child(3) {
    left: 60px;
    bottom: 120px;
}

.small-stars .star:nth-child(4) {
    left: 140px;
    bottom: 250px;
}

.small-stars .star:nth-child(5) {
    left: 400px;
    bottom: 300px;
}

.small-stars .star:nth-child(6) {
    left: 170px;
    bottom: 80px;
}

.small-stars .star:nth-child(7) {
    left: 200px;
    bottom: 360px;
    -webkit-animation-delay: 0.2s;
    animation-delay: 0.2s;
}

.small-stars .star:nth-child(8) {
    left: 250px;
    bottom: 320px;
}

.small-stars .star:nth-child(9) {
    left: 300px;
    bottom: 340px;
}

.small-stars .star:nth-child(10) {
    left: 130px;
    bottom: 320px;
    -webkit-animation-delay: 0.5s;
    animation-delay: 0.5s;
}

.small-stars .star:nth-child(11) {
    left: 230px;
    bottom: 330px;
    -webkit-animation-delay: 7s;
    animation-delay: 7s;
}

.small-stars .star:nth-child(12) {
    left: 300px;
    bottom: 360px;
    -webkit-animation-delay: 0.3s;
    animation-delay: 0.3s;
}

@-webkit-keyframes star-blink {
    50% {
        width: 3px;
        height: 3px;
        opacity: 1;
    }
}

@keyframes star-blink {
    50% {
        width: 3px;
        height: 3px;
        opacity: 1;
    }
}

.medium-stars .star {
    position: absolute;
    width: 3px;
    height: 3px;
    opacity: 0;
    -webkit-animation: star-blink 1.2s ease-in infinite alternate;
    animation: star-blink 1.2s ease-in infinite alternate;
}

.medium-stars .star:nth-child(1) {
    left: 300px;
    bottom: 50px;
}

.medium-stars .star:nth-child(2) {
    left: 400px;
    bottom: 40px;
    -webkit-animation-delay: 0.4s;
    animation-delay: 0.4s;
}

.medium-stars .star:nth-child(3) {
    left: 330px;
    bottom: 300px;
    -webkit-animation-delay: 0.2s;
    animation-delay: 0.2s;
}

.medium-stars .star:nth-child(4) {
    left: 460px;
    bottom: 300px;
    -webkit-animation-delay: 0.9s;
    animation-delay: 0.9s;
}

.medium-stars .star:nth-child(5) {
    left: 300px;
    bottom: 150px;
    -webkit-animation-delay: 1.2s;
    animation-delay: 1.2s;
}

.medium-stars .star:nth-child(6) {
    left: 440px;
    bottom: 120px;
    -webkit-animation-delay: 1s;
    animation-delay: 1s;
}

.medium-stars .star:nth-child(7) {
    left: 200px;
    bottom: 140px;
    -webkit-animation-delay: 0.8s;
    animation-delay: 0.8s;
}

.medium-stars .star:nth-child(8) {
    left: 30px;
    bottom: 480px;
    -webkit-animation-delay: 0.3s;
    animation-delay: 0.3s;
}

.medium-stars .star:nth-child(9) {
    left: 460px;
    bottom: 400px;
    -webkit-animation-delay: 1.2s;
    animation-delay: 1.2s;
}

.medium-stars .star:nth-child(10) {
    left: 150px;
    bottom: 10px;
    -webkit-animation-delay: 1s;
    animation-delay: 1s;
}

.medium-stars .star:nth-child(11) {
    left: 420px;
    bottom: 450px;
    -webkit-animation-delay: 1.2s;
    animation-delay: 1.2s;
}

.medium-stars .star:nth-child(12) {
    left: 340px;
    bottom: 180px;
    -webkit-animation-delay: 1.1s;
    animation-delay: 1.1s;
}

@keyframes star-blink {
    50% {
        width: 4px;
        height: 4px;
        opacity: 1;
    }
}

.star-fall {
    position: relative;
    border-radius: 2px;
    width: 80px;
    height: 2px;
    overflow: hidden;
    -webkit-transform: rotate(-20deg);
    transform: rotate(-20deg);
}

.star-fall:after {
    content: '';
    position: absolute;
    width: 50px;
    height: 2px;
    background: -webkit-gradient(linear, right top, left top, from(rgba(0, 0, 0, 0)), to(rgba(255, 255, 255, 0.4)));
    background: linear-gradient(to left, rgba(0, 0, 0, 0) 0%, rgba(255, 255, 255, 0.4) 100%);
    left: 100%;
    -webkit-animation: star-fall 3.6s linear infinite;
    animation: star-fall 3.6s linear infinite;
}

.star-fall:nth-child(1) {
    left: 80px;
    bottom: -100px;
}

.star-fall:nth-child(1):after {
    -webkit-animation-delay: 2.4s;
    animation-delay: 2.4s;
}

.star-fall:nth-child(2) {
    left: 200px;
    bottom: -200px;
}

.star-fall:nth-child(2):after {
    -webkit-animation-delay: 2s;
    animation-delay: 2s;
}

.star-fall:nth-child(3) {
    left: 430px;
    bottom: -50px;
}

.star-fall:nth-child(3):after {
    -webkit-animation-delay: 3.6s;
    animation-delay: 3.6s;
}

.star-fall:nth-child(4) {
    left: 400px;
    bottom: 100px;
}

.star-fall:nth-child(4):after {
    -webkit-animation-delay: 0.2s;
    animation-delay: 0.2s;
}

@-webkit-keyframes star-fall {
    20% {
        left: -100%;
    }

    100% {
        left: -100%;
    }
}

@keyframes star-fall {
    20% {
        left: -100%;
    }

    100% {
        left: -100%;
    }
}
</style>
